Wednesday
July 23, 2014

Posts by heba


Total # Posts: 6

University College of Applied Sciences
A rectangular object is 25 cm tall , 15 cm wide , and 10 cm deep .what is its volume in cubic centimeters , liters , and kiloliters ?

math
The sample mean to be calculated from a random sample of size n= 4 from a population consistsof eight measurements (2, 6, 9, 12, 25, 29, 39, 50) . find the sampling distribution of y y .(hint : there are 70 samplesof size 4 when sampling from a population of eight measurements )

physics
A certain spring elongates 9 mm when it is suspended vertically and a block of mass M is hung on it. The natural frequency of this mass-spring system is: a)0.014 b)5.3Hz c)31.8Hz d)181.7Hz e)need to know M please explain the answer....and hope to answer soon.... thanks in advance

chemistry
the solubility of co2 gas in h2o depends on ...... while the solubility of h2 gas in h2o depends on.......

chemistry
a solution consisting of 5.0 gm of an organic solute per 25 gm of CCl4 boils at 81.5 degree celecius .what is the molecular weight of the solute? If the boiling point is 76.8 degree celecius and Kb of CCl4 is 5.02 .

chemistry
calculate the ph of a 0.18 M NH4CL and0.18 M NH4OH.(Kb=1.0x10^-5)

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